19400200

素因数分解:

$2^3\times 5^2\times {\mathrm{97001}}^1$

素因数の和:97017

約数の個数: 24

約数和(自身を含む): 45105930

約数和(自身を除く): 25705730

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 97001, 194002, 388004, 485005, 776008, 970010, 1940020, 2425025, 3880040, 4850050, 9700100, 19400200]

約数ペア:

[(1, 19400200), (2, 9700100), (4, 4850050), (5, 3880040), (8, 2425025), (10, 1940020), (20, 970010), (25, 776008), (40, 485005), (50, 388004), (100, 194002), (200, 97001)]